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Research Library

Heart Rate Variability Biofeedback, Self‑Regulation, and Severe Brain Injury

    • Published: 2015
    • Sonya Kim, Ph.D., CRC; Joseph F. Rath, Ph.D.; Rollin McCraty, Ph.D.; Vance Zemon, Ph.D.; Marie M. Cavallo, Ph.D.; Frederick W. Foley, Ph.D.
    • Biofeedback Association for Applied Psychophysiology & Biofeedback Spring 2015, Volume 43, Issue 1, pp. 6–14,
    • Download the complete paper, click here.


This article describes a study using heart rate variability (HRV) biofeedback to treat emotional dysregulation in 13 individuals with severe chronic brain injury. Measures included HRV indices, tests of attention and problem solving, and informant reports of behavioral regulation. Results demonstrated that individuals with severe brain injury were able to learn HRV biofeedback and increase coherence between the parasympathetic and sympathetic nervous systems. Individuals who attained the greatest coherence were rated as being able to best regulate their emotions and behavior.